bay rum

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun An aromatic liquid originally prepared by distilling the leaves of the West Indian bay tree (Pimenta racemosa) in rum and water but now usually made by mixing the oil from those leaves with other solvents.

from The Century Dictionary.

• noun A fragrant spirit much used as a cosmetic, etc., especially by barbers, obtained by distilling the leaves of the Pimenta acris (see bayberry, 3), of the natural order Myrtaceæ, with rum, or by mixing the volatile oil procured from the leaves by distillation with alcohol, water, and acetic ether.

from the GNU version of the Collaborative International Dictionary of English.

• A fragrant liquid, used for cosmetic and medicinal purposes.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A fragrant liquid used for cosmetic and medicinal purposes.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an aromatic liquid originally obtained by distilling the leaves of the bayberry tree with rum